Robina Li

Technical Blog

Welcome to My Technical Blog

Exploring algorithms, data structures, and software engineering insights

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Sep 25, 2025

[Medium] 54. Spiral Matrix

[Medium] 54. Spiral Matrix
leetcodealgorithmmatrixdata-structuressimulationtraversalmediumcppspiral-matrixproblem-solving
Sep 25, 2025

[Medium] 50. Pow(x, n)

[Medium] 50. Pow(x, n)
leetcodealgorithmmathdata-structuresrecursionbit-manipulationmediumcpppowproblem-solving
Sep 24, 2025

[Medium] 62. Unique Paths

[Medium] 62. Unique Paths
leetcodealgorithmdynamic-programmingdata-structuresgridcombinatoricsmediumcppunique-pathsproblem-solving
Sep 24, 2025

[Hard] 25. Reverse Nodes in k-Group

[Hard] 25. Reverse Nodes in k-Group
leetcodealgorithmlinked-listrecursivedata-structurespointershardcppreverse-nodesk-grouprecursionproblem-solving
Sep 24, 2025

[Medium] 48. Rotate Image

[Medium] 48. Rotate Image
leetcodealgorithmmatrixdata-structures2d-arraytransformationmediumcpprotate-imagein-placeproblem-solving
Sep 24, 2025

[Medium] 1242. Web Crawler Multithreaded

[Medium] 1242. Web Crawler Multithreaded
leetcodealgorithmmultithreadingconcurrencydata-structuressynchronizationmediumcppweb-crawlerconcurrent-programmingproblem-solving
Sep 24, 2025

[Medium] 794. Valid Tic-Tac-Toe State

[Medium] 794. Valid Tic-Tac-Toe State
leetcodealgorithmsimulationdata-structuresgame-logicvalidationmediumcpptic-tac-toegame-validationproblem-solving
Sep 24, 2025

Meta‑Style LeetCode Question List

Meta‑Style LeetCode Question List
leetcodealgorithmmetainterview-preparationpractice-listfaangcoding-interviewproblem-solvingcompetitive-programmingdata-structures

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